Juncus debilis A. Gray, Manual: 506. 1848 sec. Espejo-Serna & López-Ferrari 2008
- =Juncus polycephalus var. depauperatus Torr., Fl. New York 2: 327. 1843 syn. sec. Espejo-Serna & López-Ferrari 2008
- =Juncus radicans Schltdl. in Linnaea 18: 442. 1844 syn. sec. Espejo-Serna & López-Ferrari 2008
- =Juncus acuminatus var. debilis (A. Gray) Engelm. in Trans. Acad. Sci. St. Louis 2: 463. 1866 syn. sec. Espejo-Serna & López-Ferrari 2008